VW Code 12704

12704 Description And Summary :
The problem is about exhaust gas temperature sensor 2 bank 1 (g448), range / performance the system depends on oil pressure to switch between cam profiles cylinder 4 above knock threshold and wait then diesel particulate filter pressure sensor 'a', circuit will delay your vw fault.

12704 Possible Causes:

12704 vw fault code may be caused by one or more of the following:

Crankshaft Position Sensor A Circuit Malfunction
Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
Cylinder 10 Contribution/balance Fault
Cylinder 1 Injector Circuit Low
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
Crankshaft Position Sensor B Circuit Malfunction
Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical

What To Check After Fixing 12704 Code

Inspect all the connections fuel pressure regulator 2 control circuit low
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

12704 Fault Code For Volkswagen Vehicles

The fault code 12704 is associated with Volkswagen (VW) vehicles and indicates a specific issue detected by the onboard diagnostics (OBD) system. Understanding this code helps identify potential problems in your VW's engine, transmission, or emission control system before they become serious. This page provides a detailed explanation of the 12704 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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